Nevion 3GHD-OE-2-SFP - Manual (Page 16)

3GHD-OE-2-SFP Rev. C
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5.2 GPI ALARM
– Module Status Outputs
These outputs can be used for wiring up alarms for third party control systems. The GPI
outputs are open collector outputs, sinking to ground when activated. The GPI connector is
shown in figures below.
Electrical maximums for GPI outputs:
Max current: 100mA
Max voltage: 30V
5.2.1 GPI connections
3GHD-EO-SFP module GPI pinning:
Signal Name Pin # Mode
Status General error status for the module. Pin 1 Open Collector
This is normally
closed.
LOS1 Loss of signal on input 1. Pin 2 Open Collector
LOS2 Loss of signal on input 2.
Only for dual converter Pin 3 Open Collector
Ground 0V / gnd pin. Pin 8 0V.
Figure 16 GPI connector
5.3 Front panel
– Status monitoring
The status of the module can be easily monitored visually by the LED’s at the front of the
module. The LED’s are visible through the front panel as shown in the figure below.